Mainly refers to some historical novels, there are publications and online articles.

Among the classics (publications) of the past, there are some excellent passages that I have taken to move over without affecting the overall reading, and so far the main collection of novels are:

Takakeiichiro "Flower Keiji"

Ryu Wada "Ninja Castle"

The worldview of this book and the setting of some important characters are partly based on previous classic novels, comics and games, specifically:

Sister Uesugi, Guoxin, and Mitsuhide's motherhood - Cambrona's "Sengoku Uesugi Sister's Retainers";

Guangxiu is the travel setting for modern Europeans - Liang Cheng's "Dream Like the Real Story: The Legend of Guangxiu";

Michizo Saito's traverser setting, the last side of Michizo and the protagonist - Ayumi Ishii's "Nobunaga Concerto" (manga);

Li Huamei, Raphael Castello-Koei, Age of Discovery4;

Narita Changqin, Kai Ji character design - Wada Ryu "Ninja City";

In addition, there have been cameos by protagonists in previous online works, specifically:

Li Wei - "The Retainer of Sister Shanshan in the Warring States Period";

Li Xiao - "The Ming Kingdom Samurai of the Takeda Family";

Saito Teryu - "The Legend of the Warring States Shura";